Hi Hugh,
I don't know if you have been successfull with the display.
If you start Ubuntu (USB-stick) and the bottom icon appears, press "Esc" to
enter the menu, press F1 for Help and F6 for bootoptions. Press "Esc" again to
leave the help. At the bottom you see a commandline. You cursor is behinder the
...splash quiet --
Now type "i915.invert_brightness=1" and enter to start Ubunut. Your display
shouldn't turn off.
If you have already an installation type "e" at the boot menu at the following
lines identify the "...splash quiet" thing an type the above parameter behind
it (i915.invert_brightness=1) and start the system. As root and with an editor
(I use MC) change the grub file at /etc/default.d/ change:
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"
to
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash i915.invert_brightness=1
acpi_osi=Linux acpi_backlight=vendor"
save the file and run "sudo update-grub". Don' forget the last.
To prevent the black screen when recovering from Sleep mode create a
file xorg.conf at the folder /etc/X11. The contence should be:
Section "Device"
Identifier "Card0"
Driver "intel"
Option "AccelMethod" "sna"
Option "Backlight" "intel_backlight"
Endsection
Thats it, at least for the screen. I'm working on the rest and maybe
doing a tutorial or something else.
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https://bugs.launchpad.net/bugs/1217861
Title:
black screen while trying to test ubuntu 13.10 on lenovo yoga 11S
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